WO2022240044A1 - 암석 파쇄도 분석 장치 및 이의 동작 방법 - Google Patents
암석 파쇄도 분석 장치 및 이의 동작 방법 Download PDFInfo
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- WO2022240044A1 WO2022240044A1 PCT/KR2022/006292 KR2022006292W WO2022240044A1 WO 2022240044 A1 WO2022240044 A1 WO 2022240044A1 KR 2022006292 W KR2022006292 W KR 2022006292W WO 2022240044 A1 WO2022240044 A1 WO 2022240044A1
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- block
- point cloud
- particle size
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- 239000011435 rock Substances 0.000 title claims abstract description 47
- 238000004458 analytical method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 25
- 238000013467 fragmentation Methods 0.000 title abstract description 4
- 238000006062 fragmentation reaction Methods 0.000 title abstract description 4
- 239000002245 particle Substances 0.000 claims description 48
- 238000000605 extraction Methods 0.000 claims description 22
- 238000003921 particle size analysis Methods 0.000 claims description 21
- 239000000284 extract Substances 0.000 claims description 20
- 238000005422 blasting Methods 0.000 claims description 18
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- 239000003086 colorant Substances 0.000 claims 1
- 239000012634 fragment Substances 0.000 abstract 2
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- 238000010586 diagram Methods 0.000 description 15
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- 230000005540 biological transmission Effects 0.000 description 1
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- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T7/10—Segmentation; Edge detection
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- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G06T2207/30—Subject of image; Context of image processing
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Definitions
- An embodiment of the present invention is a rock crushing analysis device capable of analyzing the particle size distribution of a muck pile generated after blasting at a blasting site and an operating method thereof, particularly crushed stone obtained from image processing or a 3D scanner.
- a rock fracture analysis device that can analyze the particle size of the entire crushed stone pile by automatically extracting individual blocks from the 3D point cloud of the muck pile and calculating the volume and converted diameter of the block. And its operation method (ROCK FRAGMENTATION ANALYSIS DEVICE AND OPERATION METHOD OF THE SAME).
- Conventional crushability analysis methods have been used, such as a sieving method for directly measuring particle size, a two-dimensional analysis method using a photograph of crushed stone and an image processing method.
- this screening method has many realistic limitations such as equipment, manpower, and cost during field testing, and the two-dimensional image analysis method has a problem of low reliability of analysis results due to limitations in expressing a three-dimensional effect.
- An object of the present invention is to provide a rock crushing analysis device capable of analyzing the particle size distribution of a muck pile generated after blasting at a blasting site and an operating method thereof.
- Another object of the present invention is to automatically extract individual blocks from 3D point cloud data (Point Cloud) of crushed stone heaps (Muck Pile) acquired from image processing or 3D scanners, and calculate the volume and converted diameter of these blocks through It is an object of the present invention to provide a rock crushing analysis device capable of analyzing the particle size of an entire crushed stone pile and an operation method thereof.
- 3D point cloud data Point Cloud
- Muck Pile crushed stone heaps
- Another object of the present invention is to use real-scale 3D point cloud data without separate scale conversion and to use the input data as it is for fracture analysis, and to calculate the volume and sphere conversion for the 3D shape of individual crushed stone. It is an object of the present invention to provide a rock crushing analysis device capable of estimating the representative particle size of a block by diameter and an operation method thereof.
- Another object of the present invention is to provide a rock fracture analysis device and an operating method thereof, in which the reliability and accuracy of the analysis result are improved compared to the two-dimensional image analysis method.
- Another object of the present invention is to provide a rock fracture analysis device and method of operating the same, in which the data processing process is simplified by automating from the input of point cloud data to the result analysis.
- a rock fracture analysis apparatus includes a data loading unit for converting a format of point cloud data to analyze a fracture degree according to blasting; a block area setting unit configured to generate a depth map by setting a block area based on the point cloud data; a block boundary extraction unit configured to extract a block boundary for the block region based on the point cloud data and the depth map; an individual block allocator for dividing and designating the point cloud data into a plurality of groups according to the block boundary; and a crushing particle size analyzer configured to analyze a crushing particle size by calculating a volume based on the point cloud data for each of the plurality of groups.
- the point cloud data is characterized in that it includes at least one of 3D coordinate information and color information.
- the block area setting unit on the reference plane defined by the first axis and the second axis, corresponds to the coordinate value along the third axis to the color, extracts the main shape of the individual block based on the corresponding color,
- the depth map may be generated by setting a block area.
- the block boundary extraction unit may extract, as the block boundary, a boundary closest to the block within a reference distance from the center point of the block region.
- the individual block allocating unit is characterized in that the point cloud data included in the inner area of the block boundary is designated as a unit group and an identification code is allocated.
- the crushing particle size analysis unit a block volume calculation unit for calculating a block volume for each of the plurality of groups; a reduced diameter calculator for calculating a reduced diameter based on the block volume; and a data analysis unit for generating a particle size distribution curve based on the reduced diameter.
- the particle size distribution curve is characterized in that it is a Rosin-Rammler particle distribution curve representing the cumulative weight passing rate for the crushed particle size.
- the present invention is characterized in that it further comprises a data output unit for outputting and storing the particle size analysis data and the particle size distribution curve in a preset data format.
- a method of operating an apparatus for analyzing rock crushability includes: converting, by a data loading unit, a format of point cloud data for analyzing a degree of fracture according to blasting; generating, by a block region setting unit, a depth map by setting a block region based on the point cloud data; extracting, by a block boundary extraction unit, a block boundary for the block region based on the point cloud data and the depth map; dividing and designating, by an individual block allocator, the point cloud data into a plurality of groups according to the block boundary; analyzing, by a crushing particle size analysis unit, a crushing particle size by calculating a volume based on the point cloud data for each of the plurality of groups; and outputting and storing the particle size analysis data and the particle size distribution curve in a predetermined data format.
- the step of analyzing the crush particle size may include calculating a block volume for each of the plurality of groups; Calculating a reduced diameter based on the block volume; and generating a particle size distribution curve based on the reduced diameter.
- the rock crushability analyzer and method of operation thereof according to the present invention have an effect of analyzing the particle size distribution of the crushed stone pile (Muck Pile) generated after blasting at a blasting site.
- the apparatus for analyzing rock fracture and its operation method of the present invention automatically extracts individual blocks from 3D point cloud data (Point Cloud) of a pile of crushed rocks (Muck Pile) acquired from image processing or a 3D scanner, There is an effect of analyzing the particle size of the entire crushed stone pile through the calculation of the volume and the converted diameter.
- 3D point cloud data Point Cloud
- Muck Pile crushed rocks
- the rock fracture analysis apparatus and its operating method of the present invention can use the input data as it is for fracture analysis without separate scale conversion using real-scale three-dimensional point cloud data, and the three-dimensional It has the effect of calculating the representative particle size of the block by calculating the volume of the shape and the converted diameter of the sphere.
- the apparatus for analyzing the degree of rock crushing and the method of operating the same according to the present invention has improved reliability and accuracy of analysis results compared to the two-dimensional image analysis method.
- the apparatus for analyzing the degree of rock crushing and the operating method thereof according to the present invention has an effect of simplifying the data processing process by automating everything from inputting point cloud data to analyzing results.
- FIG. 1 is a view showing an apparatus for analyzing rock crushability according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating an operation of a data loading unit according to an embodiment of the present invention.
- FIG. 3 is a diagram showing point cloud data according to an embodiment of the present invention.
- FIG. 4 is a diagram illustrating the operation of a block area setting unit according to an embodiment of the present invention.
- FIG. 5 is a diagram illustrating an operation of a block boundary extraction unit according to an embodiment of the present invention.
- FIG. 6 is a diagram illustrating the operation of an individual block allocation unit according to an embodiment of the present invention.
- FIG. 7 is a view showing a crushing particle size analyzer according to an embodiment of the present invention.
- FIG. 8 is a diagram illustrating the operation of a block volume calculation unit according to an embodiment of the present invention.
- FIG. 9 is a diagram illustrating an operation of a data analyzer according to an embodiment of the present invention.
- FIG. 10 is a flow chart showing the operation of a rock crushing degree analysis device according to an embodiment of the present invention.
- first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. Singular expressions may include plural expressions unless the context clearly dictates otherwise.
- the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and in the following description, when a part is connected to another part, it is directly connected. In addition, it may also include a case where the other element is electrically connected with another element interposed therebetween.
- the same reference numerals and symbols refer to the same components in the drawings, even if they are displayed on different drawings.
- FIG. 1 is a view showing an apparatus 10 for analyzing rock crushability according to an embodiment of the present invention.
- the rock crushing degree analysis device 10 includes a data loading unit 100, a block area setting unit 200, a block boundary extraction unit 300, an individual block allocation unit 400, and a crushing particle size analysis. It includes a unit 500 and a data output unit 600.
- the data loading unit 100 may convert the format of point cloud data to analyze the degree of crushing caused by blasting.
- point cloud data is characterized in that it includes at least one of 3D coordinate information and color information.
- the 3D coordinate information may include coordinate values along a first axis, a second axis, and a third axis for each point included in a point cloud.
- each axis referred to as the first axis, the second axis, and the third axis may correspond to each of the x-axis, the y-axis, and the z-axis that are orthogonal to each other.
- the present invention is not limited thereto, and the first axis, the second axis, and the third axis may correspond to axes of various types of coordinate systems.
- the color information may include chromaticity values according to the first color, the second color, and the third color.
- each color referred to as a first color, a second color, and a third color may correspond to each color of an RGB model of red, green, and blue.
- the present invention is not limited thereto, and the first color, second color, and third color are an HSV model using hue, saturation, value, brightness component (Y) and color difference It can correspond to a YCbCr model using information (Cb, Cr) and a CMYK color model using cyan, yellow, magenta, and black.
- the data loading unit 100 may ensure compatibility by integrating input point cloud data formats so that both 3D scan data and image processing data measured by the 3D scanning device can be used.
- the block region setting unit 200 may create a depth map by setting a block region based on the point cloud data.
- the block area setting unit 200 corresponds a coordinate value along a third axis to a color on a reference plane defined by the first axis and the second axis, and extracts the main shape of each block based on the corresponding color. and by setting the block area, a depth map can be created.
- the depth map may mean a 2D image.
- the block area setting unit 200 may generate a depth map by classifying height differences of height values into black and white levels using the Water-Shed algorithm.
- the block boundary extractor 300 may extract a block boundary for a block region based on the point cloud data and the depth map. For example, the block boundary extraction unit 300 may extract, as a block boundary, a boundary closest to a block boundary within a range of a reference distance from the center point of the block region. According to an embodiment, the block boundary extraction unit 300 may extract a block boundary by matching a depth map and point cloud data. At this time, the block boundary extraction unit 300 may extract the boundary of the block closest to the center within a range of a reference distance (eg, within 50 cm) around the set region. Through this, the block boundary extraction unit 300 according to an embodiment of the present invention can improve the accuracy of block division.
- a reference distance eg, within 50 cm
- the individual block allocator 400 may divide and designate the point cloud data into a plurality of groups according to block boundaries. For example, the individual block allocator 400 may designate point cloud data included in an inner area of a block boundary as a unit group and allocate an identification code. Depending on the embodiment, the individual block allocation unit 400 may extract point cloud data according to a block boundary, designate it as a unit group, and add a group recognition code to the input data.
- the crushing particle size analysis unit 500 may analyze the crushing particle size by calculating the volume based on the point group data for each of the plurality of groups. Details of the crushing particle size analysis unit 500 are described in detail in FIG. 7 .
- the data output unit 600 may output and store the particle size analysis data and the particle size distribution curve in a preset data format.
- the data output unit 600 may output particle size analysis data in a table format (CSV file) and output a particle size analysis curve in a picture format (JPG file).
- CSV file table format
- JPG file picture format
- FIG. 2 is a diagram illustrating the operation of the data loading unit 100 according to an embodiment of the present invention.
- 3 is a diagram showing point cloud data according to an embodiment of the present invention.
- the data loading unit 100 may convert the format of point cloud data to analyze the degree of fracture caused by blasting.
- the data loading unit 100 may receive 3D image data of rocks after blasting shown in FIG. 2 and point cloud data shown in FIG. 3 .
- the data loading unit 100 can ensure compatibility with all types of rock mass data by extracting point cloud data based on 3D image data of rocks.
- FIG. 4 is a diagram illustrating the operation of the block area setting unit 200 according to an embodiment of the present invention.
- the block region setting unit 200 may create a depth map by setting a block region based on point cloud data.
- the block area setting unit 200 may correspond a coordinate value along a third axis to a color on a reference plane defined by the first axis and the second axis.
- the block area setting unit 200 may generate a depth map by extracting the main shape of each block based on the corresponding color and setting the block area.
- the depth map may mean a 2D image.
- the block region setting unit 200 As shown in FIG. 4, with respect to 3D point cloud data generated by performing 3D scanning on a group of rocks crushed by blasting, the block region setting unit 200 generates a depth map in the form of a 2D image. , which may have a pixel data format.
- FIG 5 is a diagram illustrating the operation of the block boundary extraction unit 300 according to an embodiment of the present invention.
- the block boundary extraction unit 300 may extract a block boundary for a block region based on point cloud data and a depth map.
- the block boundary extraction unit 300 may extract, as a block boundary, a boundary closest to a block boundary within a range of a reference distance from the center point of the block region.
- the block boundary extraction unit 300 may extract a block boundary by matching a depth map and point cloud data. At this time, the block boundary extraction unit 300 may extract the boundary of the block closest to the center within a range of a reference distance (eg, within 50 cm) around the set region. Through this, the block boundary extraction unit 300 according to an embodiment of the present invention can improve the accuracy of block division.
- a reference distance eg, within 50 cm
- a color may be mapped to each rock crushed by blasting based on a depth map, and a block boundary may be extracted based on the corresponding color.
- FIG. 6 is a diagram illustrating the operation of the individual block allocation unit 400 according to an embodiment of the present invention.
- the individual block allocator 400 may divide and designate point cloud data into a plurality of groups according to block boundaries. For example, the individual block allocator 400 may designate point cloud data included in an inner area of a block boundary as a unit group and allocate an identification code. Depending on the embodiment, the individual block allocation unit 400 may extract point cloud data according to a block boundary, designate it as a unit group, and add a group recognition code to the input data.
- the individual block allocator 400 may extract and group the point cloud data for individual blocks by matching the block images classified based on the depth map image with the 3D point cloud data. Through this, the individual block allocation unit 400 may designate groups corresponding to each rock.
- FIG. 7 is a view showing a crushing particle size analysis unit 500 according to an embodiment of the present invention.
- the crushed particle size analysis unit 500 may include a block volume calculation unit 510 , a reduced diameter calculation unit 520 and a data analysis unit 530 .
- the block volume calculation unit 510 may calculate a block volume for each of a plurality of groups. For example, the block volume calculation unit 510 sets a reference plane at the lowest point of the block based on the point group data of the extracted individual block, and uses the base area and height to determine the volume of the unit figure (eg, rectangular parallelepiped, cylinder, triangular prism, etc.) , and by performing this on the entire point cloud, the volume can be calculated for the entire block.
- the unit figure eg, rectangular parallelepiped, cylinder, triangular prism, etc.
- the reduced diameter calculation unit 520 may calculate the reduced diameter based on the block volume. For example, the reduced diameter calculation unit 520 may calculate the reduced diameter by assuming the volume of a block as the volume of a sphere and inversely calculating a formula for the volume of a sphere. At this time, the reduced diameter can be calculated through Equation 1 below.
- D is the reduced diameter and V is the volume of the block.
- the data analysis unit 530 may generate a particle size distribution curve based on the reduced diameter. For example, the data analysis unit 530 may generate a graph showing the cumulative particle size distribution according to the reduced diameter.
- FIG. 8 is a diagram illustrating the operation of the block volume calculation unit 510 according to an embodiment of the present invention.
- the block volume calculation unit 510 may set a reference plane of the lowest block point based on extracted point cloud data of individual blocks. For example, the block volume calculation unit 510 may set an arbitrary depth point (eg, the lowest point) as the reference plane based on the point cloud data. Accordingly, the height value for the point cloud data in the block is designated.
- the block volume calculation unit 510 may obtain the volume of a unit figure (eg, a rectangular parallelepiped, a cylinder, a triangular prism, etc.) using the base area and height of the reference plane.
- a unit figure eg, a rectangular parallelepiped, a cylinder, a triangular prism, etc.
- the block volume calculation unit 510 may calculate the volume of the entire block by performing the calculation for the unit figure on all point clouds within the block.
- FIG. 9 is a diagram illustrating the operation of the data analyzer 530 according to an embodiment of the present invention.
- the data analysis unit 530 may generate a particle size distribution curve based on the reduced diameter.
- the particle size distribution curve is characterized in that it is a Rosin-Rammler particle distribution curve representing the cumulative weight passing rate for the crushed particle size.
- the data analyzer 530 may generate a particle size distribution curve through various types of distribution graphs.
- FIGS. 1 to 10 are flow charts showing the operation of a rock crushing degree analysis device according to an embodiment of the present invention. With reference to FIGS. 1 to 10 , the operating method of the rock crushing degree analyzer according to the present invention will be described in detail below.
- the data loading unit 100 may convert the format of point cloud data to analyze the degree of crushing caused by blasting (S10). That is, the data loading unit 100 may convert the format of real-scale 3D point cloud data.
- the block region setting unit 200 may generate a depth map by setting a block region based on the point cloud data (S20). That is, the block area setting unit 200 may set a block area for each rock based on the point cloud data without separate scale conversion. Also, the block region setting unit 200 may generate a depth map for each point cloud.
- the block boundary extraction unit 300 may extract a block boundary for a block region based on the point cloud data and the depth map (S30). That is, the block boundary extraction unit 300 may set the block boundary by clearly setting the boundary for the block set by the block area setting unit 200 .
- the individual block allocator 400 may divide and designate the point cloud data into a plurality of groups according to block boundaries (S40). That is, the individual block allocation unit 400 may divide the entire area into a plurality of groups according to the block boundary set by the block boundary extraction unit 300 and designate an identification code for each group. .
- the crushing particle size analysis unit 500 may analyze the crushing particle size by calculating the volume based on the point cloud data for each of the plurality of groups (S50). Specifically, the step of analyzing the crush particle size may include calculating a block volume for each of a plurality of groups; calculating a reduced diameter based on the block volume; and generating a particle size distribution curve based on the reduced diameter. Details related to this are described in FIG. 7 .
- the data output unit 600 may output and store the particle size analysis data and the particle size distribution curve in a preset data format (S60). That is, the data output unit 600 may output particle size analysis data and particle size analysis curves according to a format that can be used in the existing system in order to improve user convenience. In addition, the data output unit 600 may automatically store the output data in an external storage device or database server.
- S60 preset data format
- the rock crushability analyzer and method of operation of the present invention have an effect of analyzing the particle size distribution of the crushed stone pile (Muck Pile) generated after the blasting operation at the blasting site.
- the apparatus for analyzing rock fracture and its operation method of the present invention automatically extracts individual blocks from 3D point cloud data (Point Cloud) of a pile of crushed rocks (Muck Pile) acquired from image processing or a 3D scanner, There is an effect of analyzing the particle size of the entire crushed stone pile through the calculation of the volume and the converted diameter.
- 3D point cloud data Point Cloud
- Muck Pile crushed rocks
- the rock fracture analysis apparatus and its operating method of the present invention can use the input data as it is for fracture analysis without separate scale conversion using real-scale three-dimensional point cloud data, and the three-dimensional It has the effect of calculating the representative particle size of the block by calculating the volume of the shape and the converted diameter of the sphere.
- the apparatus for analyzing the degree of rock crushing and the method of operating the same according to the present invention has improved reliability and accuracy of analysis results compared to the two-dimensional image analysis method.
- the apparatus for analyzing the degree of rock crushing and the operating method thereof according to the present invention has an effect of simplifying the data processing process by automating everything from inputting point cloud data to analyzing results.
- Embodiments of the subject matter described herein relate to one or more computer program products, that is, one or more computer program instructions encoded on a tangible program medium for execution by or controlling the operation of a data processing device. It can be implemented as a module.
- a tangible program medium may be a propagated signal or a computer readable medium.
- a propagated signal is an artificially generated signal, eg a machine generated electrical, optical or electromagnetic signal, generated to encode information for transmission by a computer to an appropriate receiver device.
- the computer readable medium may be a machine readable storage device, a machine readable storage substrate, a memory device, a combination of materials that affect a machine readable propagating signal, or a combination of one or more of these.
- a computer program (also known as a program, software, software application, script, or code) may be written in any form of programming language, including compiled or interpreted language or a priori or procedural language, and may be a stand-alone program or module; It may be deployed in any form, including components, subroutines, or other units suitable for use in a computer environment.
- a computer program does not necessarily correspond to a file on a file device.
- a program may be contained within a single file provided to the requested program, or within multiple interacting files (e.g., one or more of which stores a module, subprogram, or piece of code), or within a file holding other programs or data. may be stored within a part (eg, one or more scripts stored within a markup language document).
- a computer program may be deployed to be executed on a single computer or multiple computers located at one site or distributed across multiple sites and interconnected by a communication network.
- processors suitable for the execution of computer programs include, for example, both general and special purpose microprocessors and any one or more processors of any type of digital computer.
- a processor will receive instructions and data from either read-only memory or random access memory or both.
- the core elements of a computer are one or more memory devices for storing instructions and data and a processor for executing instructions. Also, a computer is generally operable to receive data from or transfer data to one or more mass storage devices for storing data, such as magnetic, magneto-optical disks or optical disks, or to perform both such operations. combined with or will include them. However, a computer need not have such a device.
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Abstract
Description
Claims (10)
- 발파에 따른 파쇄도 분석을 위해 점군 데이터의 형식을 변환하기 위한 데이터 로드부;상기 점군 데이터에 기초하여, 블록 영역을 설정함으로써 깊이 지도를 생성하기 위한 블록 영역 설정부;상기 점군 데이터 및 상기 깊이 지도를 기초로, 상기 블록 영역에 대한 블록 경계를 추출하기 위한 블록 경계 추출부;상기 점군 데이터를 상기 블록 경계에 따라, 복수의 그룹들로 분할하여 지정하기 위한 개별 블록 할당부; 및상기 복수의 그룹들 각각에 대하여 상기 점군 데이터를 기초로 부피를 산출함으로써 파쇄 입도를 분석하기 위한 파쇄 입도 분석부를 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제1항에 있어서,상기 점군 데이터는, 3차원 좌표 정보 및 색상 정보 중 적어도 하나를 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제2항에 있어서,상기 블록 영역 설정부는, 제1 축 및 제2 축으로 정의된 기준 평면 상에서 제 3축에 따른 좌표 값을 색상에 대응시키고, 대응된 색상을 기초로 개별 블록의 주요 형상을 추출하고 블록 영역을 설정함으로써, 상기 깊이 지도를 생성하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제3항에 있어서,상기 블록 경계 추출부는, 상기 블록 영역의 중심점으로부터 기준 거리 이내의 범위에서 가장 인접한 경계를 상기 블록 경계로 추출하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제4항에 있어서,상기 개별 블록 할당부는, 상기 블록 경계의 내부 영역에 포함된 점군 데이터를 단위 그룹으로 지정하고 인식 코드를 할당하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제5항에 있어서,상기 파쇄 입도 분석부는,상기 복수의 그룹들 각각에 대한 블록 부피를 산출하기 위한 블록 부피 산출부;상기 블록 부피를 기초로 환산 직경을 산출하기 위한 환산 직경 산출부; 및상기 환산 직경을 기초로 입도 분포 곡선을 생성하기 위한 데이터 분석부를 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제6항에 있어서,상기 입도 분포 곡선은, 파쇄 입도에 대한 누적 중량 통과율을 나타내는 Rosin-Rammler 입자 분포 곡선인 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 제7항에 있어서,입도 분석 데이터 및 상기 입도 분포 곡선을 기설정된 데이터 형식으로 출력 및 저장하기 위한 데이터 출력부를 더 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치.
- 데이터 로드부가, 발파에 따른 파쇄도 분석을 위해 점군 데이터의 형식을 변환하는 단계;블록 영역 설정부가, 상기 점군 데이터에 기초하여, 블록 영역을 설정함으로써 깊이 지도를 생성하는 단계;블록 경계 추출부가, 상기 점군 데이터 및 상기 깊이 지도를 기초로, 상기 블록 영역에 대한 블록 경계를 추출하는 단계;개별 블록 할당부가, 상기 점군 데이터를 상기 블록 경계에 따라, 복수의 그룹들로 분할하여 지정하는 단계;파쇄 입도 분석부가, 상기 복수의 그룹들 각각에 대하여 상기 점군 데이터를 기초로 부피를 산출함으로써 파쇄 입도를 분석하는 단계; 및데이터 출력부가, 입도 분석 데이터 및 상기 입도 분포 곡선을 기설정된 데이터 형식으로 출력 및 저장하는 단계를 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치의 동작 방법.
- 제9항에 있어서,상기 파쇄 입도를 분석하는 단계는,상기 복수의 그룹들 각각에 대한 블록 부피를 산출하는 단계;상기 블록 부피를 기초로 환산 직경을 산출하는 단계; 및상기 환산 직경을 기초로 입도 분포 곡선을 생성하는 단계를 포함하는 것을 특징으로 하는,암석 파쇄도 분석 장치의 동작 방법.
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JP2010066127A (ja) * | 2008-09-10 | 2010-03-25 | Taiheiyo Cement Corp | 粒状体の粒度分布の測定システムおよび測定方法 |
JP5566707B2 (ja) * | 2010-01-19 | 2014-08-06 | 株式会社サキコーポレーション | 外観検査装置及び外観検査方法 |
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JP2010066127A (ja) * | 2008-09-10 | 2010-03-25 | Taiheiyo Cement Corp | 粒状体の粒度分布の測定システムおよび測定方法 |
JP5566707B2 (ja) * | 2010-01-19 | 2014-08-06 | 株式会社サキコーポレーション | 外観検査装置及び外観検査方法 |
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